{"title":"Fenty Skin Watch Ya Tone Niacinamide Dark Spot Serum","entity_type":"Product","slug":"fenty-skin-watch-ya-tone-niacinamide-dark-spot-serum","canonical_url":"https://skinknowledgebase.com/products/fenty-skin-watch-ya-tone-niacinamide-dark-spot-serum","dates":{"date_modified":"2026-05-19","date_reviewed":"2026-05-19"},"mcp_eligible":true,"summary":"Fenty Skin Watch Ya Tone Niacinamide Dark Spot Serum is a 30 ml serum with 5% niacinamide, aloe, 3-O-ethyl ascorbic acid, acerola, licorice, and green tea.","evidence_sources":[{"title":"PubMed — Niacinamide and hyperpigmented spots","canonical_citation_url":"https://skinknowledgebase.com/sources/bissett-2004-niacinamide-aging-facial-skin","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/18492135/","source_type":"other"},{"title":"PubMed — Vitamin C in dermatology","canonical_citation_url":"https://skinknowledgebase.com/sources/telang-2013-vitamin-c-dermatology","original_source_url":"https://pubmed.ncbi.nlm.nih.gov/23741676/","source_type":"other"}],"product_fact_sources":[{"title":"Official Product Page — Fenty Skin Watch Ya Tone Niacinamide Dark Spot Serum","canonical_citation_url":"https://skinknowledgebase.com/sources/official-product-page-fenty-skin-watch-ya-tone-niacinamide-dark-spot-serum","original_source_url":"https://fentybeauty.com/products/watch-ya-tone-niacinamide-dark-spot-serum","source_type":"official_product_page"}],"related_entities":[{"title":"Bissett 2004 — Niacinamide and aging facial skin appearance","url":"https://skinknowledgebase.com/sources/bissett-2004-niacinamide-aging-facial-skin"},{"title":"PubMed — Vitamin C in dermatology","url":"https://skinknowledgebase.com/sources/telang-2013-vitamin-c-dermatology"},{"title":"Official Product Page — Fenty Skin Watch Ya Tone Niacinamide Dark Spot Serum","url":"https://skinknowledgebase.com/sources/official-product-page-fenty-skin-watch-ya-tone-niacinamide-dark-spot-serum"},{"title":"Facial Hyperpigmentation","url":"https://skinknowledgebase.com/concerns/facial-hyperpigmentation"},{"title":"Dark Spots from Acne","url":"https://skinknowledgebase.com/concerns/dark-spots-from-acne"},{"title":"Dullness","url":"https://skinknowledgebase.com/concerns/dullness"},{"title":"Niacinamide","url":"https://skinknowledgebase.com/ingredients/niacinamide"},{"title":"Vitamin C","url":"https://skinknowledgebase.com/ingredients/vitamin-c"},{"title":"Is Fenty Skin Watch Ya Tone Serum any good?","url":"https://skinknowledgebase.com/questions/is-fenty-skin-watch-ya-tone-serum-any-good"}],"body_sections":[{"heading":"Quick Summary","paragraphs":["Fenty Skin Watch Ya Tone Niacinamide Dark Spot Serum is a $42 / 30 ml serum with 5% niacinamide, aloe, 3-O-ethyl ascorbic acid, camu camu, acerola, dipotassium glycyrrhizate, green tea, tocopherol, glycerin, betaine, and dimethicone."]},{"heading":"Compact Product Facts","paragraphs":["- Brand: Fenty Skin\n- Product line: Fenty Skin Watch Ya Tone\n- Full product name: Fenty Skin Watch Ya Tone Niacinamide Dark Spot Serum\n- Cost: {\"currency\":\"USD\",\"checked_at\":\"2026-05-19\",\"single_unit\":42}\n- Retail URL: https://fentybeauty.com/products/watch-ya-tone-niacinamide-dark-spot-serum"]},{"heading":"Factual Description","paragraphs":["The official Fenty Skin page identifies Watch Ya Tone Niacinamide Dark Spot Serum with a 30 ml / 1 oz size tag and $42.00 price. Ingredient media lists niacinamide, vitamin C, licorice root extract, camu camu, and Barbados cherry. The INCI starts with water, niacinamide, aloe juice, C12-15 alkyl benzoate, propanediol, betaine, 3-O-ethyl ascorbic acid, glycereth-26, myrciaria dubia fruit extract, malpighia punicifolia fruit extract, dipotassium glycyrrhizate, green tea, tocopherol, glycerin, and texture-support ingredients."]}],"main_concern":{"title":"Facial Hyperpigmentation","url":"https://skinknowledgebase.com/concerns/facial-hyperpigmentation"},"key_ingredients":[{"title":"Niacinamide","url":"https://skinknowledgebase.com/ingredients/niacinamide"},{"title":"Vitamin C","url":"https://skinknowledgebase.com/ingredients/vitamin-c"}],"cost":{"currency":"USD","checked_at":"2026-05-19","single_unit":42},"retail_url":"https://fentybeauty.com/products/watch-ya-tone-niacinamide-dark-spot-serum"}